HALCON CONDOMINIUM
Multifamily LR (1-4) in Seattle, WA · 11556 GREENWOOD AVE N · 98133
At a glance
HALCON CONDOMINIUM is a 21,552-square-foot multifamily LR (1-4) building at 11556 GREENWOOD AVE N in Seattle, Washington, built in 1974. It is listed in the 2024 Building Energy Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2023, when it scored 77 out of 100 on ENERGY STAR with a site EUI of 23.7 kBtu/ft².
No energy data reported for 2024
HALCON CONDOMINIUM appears in the 2024 Building Energy Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 21,552 sq ft · Built 1974
Source record seattle:23047:2024
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | 77 | -7 | 23.7 kBtu/ft² | 3 tCO₂e |
| 2022 | 84 | +4 | 23.5 kBtu/ft² | 3 tCO₂e |
| 2021 | 80 | +6 | 24.2 kBtu/ft² | 3 tCO₂e |
| 2020 | 74 | -3 | 24.6 kBtu/ft² | 3 tCO₂e |
| 2019 | 77 | -1 | 24.2 kBtu/ft² | 3 tCO₂e |
| 2018 | 78 | +8 | 23.9 kBtu/ft² | 3 tCO₂e |
| 2017 | 70 | +12 | 25.6 kBtu/ft² | 3 tCO₂e |
| 2016 | 58 | -12 | 25.6 kBtu/ft² | 3 tCO₂e |
| 2015 | 70 | 23.6 kBtu/ft² | 3 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 11556 GREENWOOD AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98133
- Coordinates
- 47.71391, -122.35512
Within ~1 km
Nearby benchmarked buildings
- Ida Culver House - Broadviewscore 95
Multifamily Housing · 284,970 sq ft
- Lowesscore 84
Wholesale Club/Supercenter · 131,387 sq ft
- The Daniels Aptsscore 99
Multifamily Housing · 63,590 sq ft
- Northpark Villagescore 96
Multifamily Housing · 57,338 sq ft
- 107 On Greenwood Aptsscore 99
Multifamily Housing · 49,970 sq ft
K-12 School · 42,128 sq ft
See also: most efficient in Seattle · biggest emitters
How has HALCON CONDOMINIUM's energy performance changed over time?
BuildingCensus holds 10 Seattle disclosures for HALCON CONDOMINIUM, covering report years 2015–2024. Its ENERGY STAR score went from 70 in 2015 to 77 in 2023 (+7 points); its best year on file was 2022, at 84. Site EUI moved from 23.6 kBtu/ft² (2015) to 23.7 kBtu/ft² (2023), an 0% increase. Reported emissions went from 3 tCO₂e to 3 tCO₂e over the same span (up 3%).
Which law requires HALCON CONDOMINIUM to report its energy use?
HALCON CONDOMINIUM reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record seattle:23047:2024). Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
More multifamily LR (1-4) buildings in Seattle
- Lake City Commons· 21,388 sq ft · EUI 32.7 kBtu/ft²
- CAL ANDERSON HOUSE· 21,005 sq ft · score 36 (D)
- SAN JUAN APTS- DEMOLISHED MAY 2016· 20,998 sq ft · score 98 (A)
- VIKING APT· 20,688 sq ft
- ELSKAN APTS· 20,599 sq ft · EUI 28.5 kBtu/ft²
- ANNARON· 20,296 sq ft · score 72 (B)
- Multifamily LR (1-4) buildings in Seattle· 53 benchmarked
- All Seattle benchmarked buildings· Seattle Energy Benchmarking Ordinance (SMC 22.920)
- Most efficient large buildings in Seattle
- Least efficient large buildings in Seattle
- Biggest emitters in Seattle
Frequently asked questions
What is HALCON CONDOMINIUM's energy grade?
HALCON CONDOMINIUM has no grade: it did not report energy data for 2024. The 2024 Building Energy Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is HALCON CONDOMINIUM?
HALCON CONDOMINIUM is at 11556 GREENWOOD AVE N, in Seattle, Washington 98133. Its coordinates are 47.71391, -122.35512 (latitude, longitude), as published in the Building Energy Benchmarking file.
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About this data
Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “HALCON CONDOMINIUM, Seattle, Washington — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/halcon-condominium-2b8d0ba5 (data as of October 2, 2026).